package Year22_Month03.day22;

import java.util.Scanner;

public class Main {
    //叫啥狐狸钻碗啥的，简单题，不详细记录
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            double catlen = sc.nextDouble();
            double r = sc.nextDouble();
            System.out.println(2*3.14*r > catlen ? "Yes" : "No");
        }
    }
}
